// Copyright (c) rubicon IT GmbH, www.rubicon.eu
//
// See the NOTICE file distributed with this work for additional information
// regarding copyright ownership.  rubicon licenses this file to you under 
// the Apache License, Version 2.0 (the "License"); you may not use this 
// file except in compliance with the License.  You may obtain a copy of the 
// License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software 
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the 
// License for the specific language governing permissions and limitations
// under the License.

using System;
using System.Configuration;
using JetBrains.Annotations;

namespace ActiveAttributes.Configuration
{
  [UsedImplicitly]
  [ConfigurationCollection (typeof (TypeOrderingElement))]
  public class TypeOrderingCollection : ConfigurationElementCollection
  {
    public TypeOrderingElement this [int idx]
    {
      get { return (TypeOrderingElement) BaseGet (idx); }
    }

    protected override ConfigurationElement CreateNewElement ()
    {
      return new TypeOrderingElement();
    }

    protected override object GetElementKey (ConfigurationElement element)
    {
      var typeRule = (TypeOrderingElement) element;
      return typeRule.BeforeType + typeRule.AfterType;
    }
  }
}